565525505 has 8 divisors (see below), whose sum is σ = 695182824. Its totient is φ = 441385600.

The previous prime is 565525487. The next prime is 565525523. The reversal of 565525505 is 505525565.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (565525487) and next prime (565525523).

It can be written as a sum of positive squares in 4 ways, for example, as 31730689 + 533794816 = 5633^2 + 23104^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 565525505 - 2¹⁴ = 565509121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379126 + ... + 1379535.

It is an arithmetic number, because the mean of its divisors is an integer number (86897853).

Almost surely, 2^565525505 is an apocalyptic number.

It is an amenable number.

565525505 is a deficient number, since it is larger than the sum of its proper divisors (129657319).

565525505 is a wasteful number, since it uses less digits than its factorization.

565525505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758707.

The product of its (nonzero) digits is 187500, while the sum is 38.

The square root of 565525505 is about 23780.7801596163. The cubic root of 565525505 is about 826.9591662601.

The spelling of 565525505 in words is "five hundred sixty-five million, five hundred twenty-five thousand, five hundred five".